sector

[ sek-ter ]
/ ˈsɛk tər /
See synonyms for: sector / sectors on Thesaurus.com

noun

verb (used with object)

to divide into sectors.

QUIZZES

DISCOVER THE INFLUENCE OF PORTUGUESE ON ENGLISH VIA THIS QUIZ!

We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Origin of sector

1560–70; <Late Latin: sector, Latin: cutter, equivalent to of sec(āre) to cut + -tor-tor

OTHER WORDS FROM sector

sec·tor·al, adjectivesubsector, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for sector

British Dictionary definitions for sector

sector
/ (ˈsɛktə) /

noun

a part or subdivision, esp of a society or an economythe private sector
geometry either portion of a circle included between two radii and an arc. Area: 1/2 r ²θ, where r is the radius and θ is the central angle subtended by the arc (in radians)
a measuring instrument consisting of two graduated arms hinged at one end
a part or subdivision of an area of military operations
computing the smallest addressable portion of the track on a magnetic tape, disk, or drum store

Derived forms of sector

sectoral, adjective

Word Origin for sector

C16: from Late Latin: sector, from Latin: a cutter, from secāre to cut
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for sector

sector
[ sĕktər ]

The part of a circle bounded by two radii and the arc between them.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.